Mich. Comp. Laws § 168.57: Gubernatorial candidates; nominees, certification.

Sec. 57.

The candidate of each political party for the office of governor receiving the greatest number of votes cast for candidates for said office, as set forth in the report of the board of state canvassers based on the returns from the various boards of county canvassers, or as determined by the board of state canvassers as the result of a recount, shall be declared the nominee of that political party for said office at the next ensuing November election. The board of state canvassers shall forthwith certify such nominations to the secretary of state.